The Hubsan H107D+ X4 Quadcopter is a palm-sized quad-rotor RC
helicopter with an integrated FPV camera. The FPV, or first-person view,
camera captures 720 x 240 resolution SD video. It transmits wirelessly
on 5.8 GHz, and allows you to record videos using a MicroSD memory card
slot built into the transmitter. The MicroSD card is sold separately,
and the transmitter supports capacities up to 16GB. In addition, the X4
features a 4-channel, 2.4 GHz transmitter (TX) that has a range of up to
328', depending on conditions. On the transmitter you will find a 4.3
LCD screen that allows you to monitor real-time video from the FPV
camera and will display vital flight telemetry data to keep you apprised
of what is happening in the air. 6-axis flight control system with
adjustable sensitivity 3.7V, 380 mAh lithium-polymer battery with USB
charging - charging takes approximately 30 minutes. The H107D+ also has
the new altitude hold feature, so you can set your altitude and focus on
your video.